| Chaddesden to Orbetello | 930.81 mi (1,497.99 km) |
| Chaddesden to Oria | 1,239.27 mi (1,994.41 km) |
| Chaddesden to Oristano | 1,016.61 mi (1,636.07 km) |
| Chaddesden to Orta Nova | 1,131.19 mi (1,820.47 km) |
| Chaddesden to Orte | 964.47 mi (1,552.16 km) |
| Chaddesden to Ortona | 1,033.94 mi (1,663.96 km) |
| Chaddesden to Orvieto | 941.79 mi (1,515.67 km) |
| Chaddesden to Orzinuovi | 729.54 mi (1,174.09 km) |
| Chaddesden to Osimo | 944.22 mi (1,519.58 km) |
| Chaddesden to Ospitaletto | 725.86 mi (1,168.17 km) |
| Chaddesden to Ostuni | 1,225.23 mi (1,971.82 km) |
| Chaddesden to Ottaviano | 1,118.13 mi (1,799.46 km) |
| Chaddesden to Ovada | 732.68 mi (1,179.13 km) |
| Chaddesden to Ozieri | 983.53 mi (1,582.83 km) |
| Chaddesden to Paceco | 1,230.55 mi (1,980.38 km) |
